Chattanooga, TN Clear Sky UV Index Averages

Understanding the UV Index

What is the UV Index

Everyday the National Weather Service predicts the next day UV index forecast, this index can help you make choices to protect yourself from potentially
harmful sun rays.The UV Index Scale is a scale from 0 to 15, with 0 being the lowest risk and 15 being the highest risk.

2 or less: Low

Wear sunglasses on bright days.

If you burn easily, cover up and use broad spectrum SPF 30+ sunscreen.

Watch out for bright surfaces, like sand, water and snow, which reflect UV and increase exposure.